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; RUN: not llvm-as %s -o /dev/null 2>&1 | FileCheck %s
%swift_error = type {i64, i8}
; CHECK: swifterror value can only be loaded and stored from, or as a swifterror argument!
; CHECK: %swift_error** %error_ptr_ref
; CHECK: %t = getelementptr inbounds %swift_error*, %swift_error** %error_ptr_ref, i64 1
define float @foo(%swift_error** swifterror %error_ptr_ref) {
%t = getelementptr inbounds %swift_error*, %swift_error** %error_ptr_ref, i64 1
ret float 1.0
}
; CHECK: swifterror argument for call has mismatched alloca
; CHECK: %error_ptr_ref = alloca %swift_error*
; CHECK: %call = call float @foo(%swift_error** swifterror %error_ptr_ref)
define float @caller(i8* %error_ref) {
entry:
%error_ptr_ref = alloca %swift_error*
store %swift_error* null, %swift_error** %error_ptr_ref
%call = call float @foo(%swift_error** swifterror %error_ptr_ref)
ret float 1.0
}
; CHECK: Cannot have multiple 'swifterror' parameters!
declare void @a(i32** swifterror %a, i32** swifterror %b)
; CHECK: Attribute 'swifterror' applied to incompatible type!
declare void @b(i32 swifterror %a)
; CHECK: Attribute 'swifterror' only applies to parameters with pointer to pointer type!
declare void @c(i32* swifterror %a)
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